I don't know about Black conservatives but I do know that most Blacks who voted for Obama are progressive, and left wing

and are part of the group that Gibbs dissed;
As Gibbs Attacks Progressive Critics, ACLU Says Obama White House Enshrining Bush-Era Policies
Gibbs

As White House Press Secretary Robert Gibbs attacks progressives for comparing President Obama’s polices to George W. Bush’s, we look at a new ACLU report on how the Obama administration is permanently enshrining into law many of President Bush’s most controversial policies. The report, "Establishing a New Normal," warns: "There is a very real danger that the Obama administration will enshrine permanently within the law policies and practices that were widely considered extreme and unlawful during the Bush administration."

There are Black progressives, that are not happy about seeing,
Bush neocon policies, "set in stone"